kerneltest/e32test/debug/d_perflogger_ldd.h
changeset 0 a41df078684a
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     1 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of the License "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 // A helper test driver for testing Kernel Performance Logger.
       
    15 // 
       
    16 //
       
    17 
       
    18 /**
       
    19  @file
       
    20  @internalAll
       
    21 */
       
    22 
       
    23 #ifndef D_PERFLOGGER_LDD_H__
       
    24 #define D_PERFLOGGER_LDD_H__
       
    25 
       
    26 #include <kernel/kernel.h>
       
    27 #include <kernel/kern_priv.h>
       
    28 
       
    29 #include "t_perflogger_drv.h"
       
    30 
       
    31 //-- current LDD version
       
    32 const TInt KMajorVersionNumber=1;
       
    33 const TInt KMinorVersionNumber=0;
       
    34 const TInt KBuildVersionNumber=1;
       
    35 
       
    36 //-----------------------------------------------------------------------------------
       
    37 /** panic codes */
       
    38 enum TPanic
       
    39 	{
       
    40     EWrongRequest,      ///< wrong request number from the user side
       
    41 		EReqAlreadyPending  ///< user asynchronous reques is already pending
       
    42 	};
       
    43 
       
    44 //-----------------------------------------------------------------------------------
       
    45 
       
    46 /**
       
    47 	Helper class that provides events generation in ISR, DFC or IDFC context
       
    48 */
       
    49 class DLogTicker
       
    50 	{
       
    51 	public:
       
    52 		
       
    53 		DLogTicker();
       
    54 		~DLogTicker();
       
    55 		
       
    56 		void Construct(DThread* apUserThreadContext, TDfcQue* apDfcQ, NKern::TContext aLogContext);
       
    57 		void Start(const TTestLogCtrl* apLogControl, TRequestStatus* apRqStat);
       
    58 		void Cancel(void);
       
    59 		void CompleteRequest(TInt aCompletionCode=KErrNone);
       
    60 		
       
    61 	private:
       
    62 		
       
    63 		static void LogTimerCallback(TAny* apSelf);
       
    64 		static void LogDFC(TAny* apSelf);
       
    65 		
       
    66 	protected:
       
    67 		
       
    68 		NTimer          iTimer;        ///< timer for generating events
       
    69 		TTestLogCtrl    iLogControl;   ///< log control structure 
       
    70 		TClientRequest *iRequest;      ///< encapsulates the client's request status that will be completed when the logging has finished
       
    71 		TDfc           *iLogDFC;       ///< DFC for logging.
       
    72 		
       
    73 		DThread*        iUserThreadContext;///< thread context where the ipRqStat will be completed in
       
    74 		NKern::TContext iLogContext;   ///< specifies the desirable context the logging function shall be called from (Kern thread, ISD, IDFC)
       
    75 		
       
    76 	};
       
    77 
       
    78 //-----------------------------------------------------------------------------------
       
    79 
       
    80 /**
       
    81 	Logger test helper LDD class.
       
    82 	Performs some actions from kernel side on behalf of the user test application.
       
    83 	Used for testing kernel performance logger
       
    84 
       
    85 	This is a singleton class, no more than 1 channel allowed
       
    86 */
       
    87 class DKPLoggerTestHelperLDD : public DLogicalChannelBase
       
    88 	{
       
    89 	public:
       
    90 		
       
    91 		static DKPLoggerTestHelperLDD* CreateInstance();
       
    92 		~DKPLoggerTestHelperLDD();
       
    93 		
       
    94 	protected:
       
    95 		virtual TInt DoCreate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
       
    96 		virtual TInt Request(TInt aFunction, TAny* a1, TAny* a2);
       
    97 		
       
    98 		void DoCancel(TUint aReqNumber);
       
    99 		TInt DoRequest(TInt aReqNumber, TRequestStatus* apRqStat, TAny* apArg1, TAny* apArg2);
       
   100 		TInt DoControl(TInt aFunction,TAny* apArg1,TAny* apArg2);   
       
   101 		
       
   102 	private:
       
   103 		DKPLoggerTestHelperLDD();
       
   104 		
       
   105 	private:
       
   106 		TDfcQue*        iDfcQ;					///< pointer to the Kern::DfcQue0
       
   107 		TTestLogCtrl    iLogControlUserThread;	///< log parameters for testting in User-thread context mode.
       
   108 		DThread*        iClientThread;			///< pointer to the client thread for requests completion
       
   109 
       
   110 	public:   
       
   111 		
       
   112 		
       
   113 		DLogTicker      iIsrLogTicker;  ///< generates events in ISR context.
       
   114 		DLogTicker      iDfcLogTicker;  ///< generates events in DFC context.
       
   115 		DLogTicker      iIDfcLogTicker; ///< generates events in IDFC context.
       
   116 
       
   117 		static DKPLoggerTestHelperLDD* pSelf;	///< static pointer to the single instance of this class
       
   118 
       
   119 	};
       
   120 
       
   121 
       
   122 //-----------------------------------------------------------------------------------
       
   123 
       
   124 
       
   125 /**
       
   126 	Logger test helper LDD factory class.
       
   127 */
       
   128 class DKPLoggerTestHelperLDDFactory : public DLogicalDevice
       
   129 	{
       
   130 	public:
       
   131 		
       
   132 		static  DKPLoggerTestHelperLDDFactory* CreateInstance();
       
   133 		~DKPLoggerTestHelperLDDFactory();
       
   134 		
       
   135 		// from DLogicalDevice
       
   136 		virtual TInt Install();
       
   137 		virtual void GetCaps(TDes8& aDes) const;
       
   138 		virtual TInt Create(DLogicalChannelBase*& aChannel);
       
   139 		
       
   140 	private:
       
   141 		
       
   142 		DKPLoggerTestHelperLDDFactory();
       
   143 	};
       
   144 
       
   145 
       
   146 //-----------------------------------------------------------------------------------
       
   147 //-- debug print macros. Debug print in this component is absolutely not important and exists only 
       
   148 //-- for debugging purposes. So that, devising a mask for __KTRACE_OPT isn't necessary.
       
   149 //-----------------------------------------------------------------------------------
       
   150 
       
   151 //-- define this macro if you wish a debug trace from this driver.
       
   152 //#define ENABLE_DEBUG_TRACE
       
   153 
       
   154 #if defined(ENABLE_DEBUG_TRACE) && (defined(_DEBUG) || defined(_DEBUG_RELEASE))
       
   155 #define __PRINT(t)          { Kern::Printf(t);}
       
   156 #define __PRINT1(t,a)       { Kern::Printf(t,a);}
       
   157 #define __PRINT2(t,a,b)     { Kern::Printf(t,a,b);}
       
   158 #define __PRINT3(t,a,b,c)   { Kern::Printf(t,a,b,c);}
       
   159 #define __PRINT4(t,a,b,c,d) { Kern::Printf(t,a,b,c,d);}
       
   160 #else
       
   161 #define __PRINT(t)
       
   162 #define __PRINT1(t,a)
       
   163 #define __PRINT2(t,a,b)
       
   164 #define __PRINT3(t,a,b,c)
       
   165 #define __PRINT4(t,a,b,c,d)
       
   166 #endif
       
   167 
       
   168 //-----------------------------------------------------------------------------------
       
   169 
       
   170 
       
   171 
       
   172 #endif  //D_PERFLOGGER_LDD_H__
       
   173 
       
   174 
       
   175 
       
   176